HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Dulles Intl (IAD) to San Luis Potosí (SLP) from $548

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — SLP
May 17 — May 241
From?
To?
Fri 5/17
Fri 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Dulles Intl to San Luis Potosí

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Luis Potosí (SLP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 12, 2024.

Round-trip from

$516
From Washington, D.C. Dulles Intl to San Luis Potosi
Search Deals

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Luis Potosí. Check prices with Cheapflights to find a great deal for your trip.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San Luis Potosí (IAD - SLP)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí as you normally would.

Cheap Delta flights from Dulles Intl to San Luis Potosí

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and San Luis Potosí. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Consider these cheap Delta flights we've found departing from Washington, D.C. to San Luis Potosí. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 6/246:00 amIAD - SLP
2 stops17h 25mDelta
Wed 7/36:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/11$548
Mon 9/94:40 pmIAD - SLP
1 stop19h 14mDelta
Thu 9/125:45 amSLP - IAD
1 stop7h 25mDelta
Deal found 5/10$664
Mon 9/96:00 amIAD - SLP
2 stops14h 21mDelta
Thu 9/125:45 amSLP - IAD
2 stops16h 22mDelta
Deal found 5/10$678
Fri 6/281:08 pmIAD - SLP
2 stops13h 02mDelta
Thu 7/186:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/11$748
Fri 6/281:08 pmIAD - SLP
2 stops13h 02mDelta
Thu 7/186:00 amSLP - IAD
2 stops15h 03mDelta
Deal found 5/11$803

Cheap United Airlines flights from Dulles Intl to San Luis Potosí

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and San Luis Potosí. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Browse through some of the cheapest United Airlines flights traveling from Washington, D.C. to San Luis Potosí. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 6/2410:09 pmIAD - SLP
1 stop14h 40mUnited Airlines
Wed 7/311:45 amSLP - IAD
1 stop10h 07mUnited Airlines
Deal found 5/11$648
Fri 6/2810:05 pmIAD - SLP
1 stop23h 13mUnited Airlines
Thu 7/187:20 amSLP - IAD
1 stop13h 25mUnited Airlines
Deal found 5/11$843

Cheap Dulles Intl to San Luis Potosí flights in May & June 2024

Find cheap flight options from Dulles Intl to San Luis Potosí specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,659,571 searches. Prices were last updated on May 12, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to San Luis Potosí in 2024. Check back in a little while for more flight options.
Mon 6/177:09 amIAD - SLP
2 stops16h 04mDelta
Mon 7/16:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/12$548
Mon 6/2410:09 pmIAD - SLP
1 stop14h 40mUnited Airlines
Wed 7/311:45 amSLP - IAD
1 stop10h 07mUnited Airlines
Deal found 5/11$648
Mon 6/245:00 amIAD - SLP
2 stops19h 08mAmerican Airlines
Wed 7/311:55 amSLP - IAD
2 stops22h 48mAmerican Airlines
Deal found 5/11$668
Mon 6/176:00 amIAD - SLP
1 stop7h 05mAmerican Airlines
Mon 7/15:29 amSLP - IAD
1 stop8h 54mAmerican Airlines
Deal found 5/12$693
Mon 6/177:09 amIAD - SLP
2 stops16h 04mDelta
Mon 7/17:55 amSLP - IAD
2 stops13h 04mDelta
Deal found 5/12$738
Fri 6/281:08 pmIAD - SLP
2 stops13h 02mDelta
Thu 7/186:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/11$748
Fri 6/281:08 pmIAD - SLP
2 stops13h 02mDelta
Thu 7/186:00 amSLP - IAD
2 stops15h 03mDelta
Deal found 5/11$803
Fri 6/2810:05 pmIAD - SLP
1 stop23h 13mUnited Airlines
Thu 7/187:20 amSLP - IAD
1 stop13h 25mUnited Airlines
Deal found 5/11$843

Dulles Intl to San Luis Potosí 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and San Luis Potosí in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to San Luis Potosí in 2024. Check back in a little while for more flight options.
Mon 6/177:09 amIAD - SLP
2 stops16h 04mDelta
Mon 7/16:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/12$548
Mon 6/2410:09 pmIAD - SLP
1 stop14h 40mUnited Airlines
Wed 7/311:45 amSLP - IAD
1 stop10h 07mUnited Airlines
Deal found 5/11$648
Mon 9/94:40 pmIAD - SLP
1 stop19h 14mAeromexico
Thu 9/125:45 amSLP - IAD
1 stop7h 25mAeromexico
Deal found 5/11$664
Mon 9/96:00 amIAD - SLP
2 stops17h 41mDelta
Thu 9/125:45 amSLP - IAD
1 stop7h 25mDelta
Deal found 5/10$668
Mon 9/96:00 amIAD - SLP
2 stops17h 41mAeromexico
Thu 9/1211:06 amSLP - IAD
2 stops11h 01mAeromexico
Deal found 5/11$678
Mon 6/176:00 amIAD - SLP
1 stop7h 05mAmerican Airlines
Mon 7/15:29 amSLP - IAD
1 stop8h 54mAmerican Airlines
Deal found 5/12$693
Thu 8/14:38 pmIAD - SLP
1 stop7h 38mDelta
Fri 8/166:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/12$699
Mon 6/177:09 amIAD - SLP
2 stops16h 04mDelta
Mon 7/17:55 amSLP - IAD
2 stops13h 04mDelta
Deal found 5/12$738
Fri 6/281:08 pmIAD - SLP
2 stops13h 02mDelta
Thu 7/186:00 amSLP - IAD
1 stop7h 06mDelta
Deal found 5/11$748

Find flights from Dulles Intl to San Luis Potosí within your budget

Customize your flight search to find flights from Dulles Intl to San Luis Potosí that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$548 - $843

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 6/24

2 stops17h 25m

San Luis Potosi

Wed 7/3

1 stop7h 06m

$548

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 6/24

1 stop14h 40m

San Luis Potosi

Wed 7/3

1 stop10h 07m

$648

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 9/9

1 stop19h 14m

San Luis Potosi

Thu 9/12

1 stop7h 25m

$664

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 6/24

2 stops19h 08m

San Luis Potosi

Wed 7/3

2 stops22h 48m

$668

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Mon 9/9

2 stops14h 21m

San Luis Potosi

Thu 9/12

2 stops16h 22m

$678

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 6/28

2 stops13h 02m

San Luis Potosi

Thu 7/18

1 stop7h 06m

$748

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 6/28

2 stops13h 02m

San Luis Potosi

Thu 7/18

2 stops15h 03m

$803

Washington, D.C. Dulles IntlSan Luis Potosi

IAD - SLP

IADSLP

Washington, D.C. Dulles Intl

Fri 6/28

1 stop23h 13m

San Luis Potosi

Thu 7/18

1 stop13h 25m

$843

Flights are sorted by cheapest first

Deals found on 5/11

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San Luis Potosí?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Luis Potosí. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Luis Potosí flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Luis Potosí by month

Plan your trip from Dulles Intl to San Luis Potosí by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to San Luis Potosí is currently $0 while a round-trip flight costs $700. Price data was last updated on May 5, 2024.

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Luis Potosí (average of $516). Flying from Washington, D.C. Dulles Intl Airport to San Luis Potosí in July is currently the most expensive (average of $619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$529

February

$546

March

$577

April

$533

May

$516

June

$556

July

$619

August

$564

September

$552

October

$566

November

$606

December

$612

Temperature and rainfall in San Luis Potosí by month

Plan your trip to San Luis Potosí by taking into account the average temperature and rainfall totals by month.

SLP

Temperature

55.4 - 69.8 °F

Reviews of airlines servicing San Luis Potosí

Get insights into the airlines that provide service to San Luis Potosí. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Potosí. Reviews last updated May 12, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to San Luis Potosí, such as Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,745 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,745 reviews
Delta
8.0
Very good
10,745 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,997 reviews
Delta
8.0
Very good
10,745 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,623 reviews
Delta
8.0
Very good
10,745 reviews
Check prices

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Luis Potosí. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Luis Potosí from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to San Luis Potosí, you will be flying into San Luis Potosi. San Luis Potosi (SLP) is just 7.8 mi from the center of the city. San Luis Potosi is the only San Luis Potosí airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to San Luis Potosi from Washington, D.C. Dulles Intl on a regular basis.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí for under $600. The cheapest flight booked recently is on Delta for just $548, but on average you can expect to pay $700.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Luis Potosí round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Luis Potosí round-trip from $548. Other airlines that can offer you cheap pricing are United Airlines, from $648, and American Airlines, from $668.

  • What does IAD to SLP mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to San Luis Potosi Airport flight would often be abbreviated as a IAD to SLP flight.

  • Can I find deals for flights from Dulles Intl to San Luis Potosí that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to San Luis Potosí flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to San Luis Potosí with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to San Luis Potosí flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to San Luis Potosí that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to San Luis Potosí flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to San Luis Potosí?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Luis Potosí.

  • Can I find deals for business class flights from Dulles Intl to San Luis Potosí?

    Yes. Cheapflights offers flight deals from Dulles Intl to San Luis Potosí by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to San Luis Potosí that allow pets onboard?

    Many airlines flying from Dulles Intl to San Luis Potosí offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to San Luis Potosí?

    Yes, you can often find last-minute deals on Dulles Intl to San Luis Potosí flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to San Luis Potosí flight deals updated?

    The Washington, D.C. Dulles Intl Airport to San Luis Potosí flight deals you see on this page were last updated on 5/12.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to San Luis Potosí
See prices for flight routes from nearby airports that may be better suited for you.

Baltimore to San Luis Potosí flights

Top 2 airlines flying from Dulles Intl to San Luis Potosí

Discover the top 2 airlines that operate flights from Dulles Intl to San Luis Potosí. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$878FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$741Average$1,159FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Dallas to Minneapolis flights
Fort Lauderdale to Atlanta flights
New York to Canada flights
Los Angeles to Dubai flights
Los Angeles to Toronto flights
Miami to New York flights
Dallas to New Delhi flights
Dallas to Denver flights
Sacramento to Phoenix flights
Los Angeles to Chicago flights
USA to Bermuda flights
Washington, D.C. Dulles Intl Airport to Sacramento flights

Search flights from Dulles Intl to San Luis Potosí by cabin class

Find flights from Dulles Intl to San Luis Potosí, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to San Luis Potosí?

When you search for this flight from Dulles Intl to San Luis Potosí, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to San Luis Potosí?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl to San Luis Potosí for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dulles Intl to San Luis Potosí with no change fees?

Yes, we can. To see specific flights from Dulles Intl to San Luis Potosí with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dulles Intl to San Luis Potosí become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Luis Potosí from Dulles Intl today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines